From Laboratory Measurements,we Know That a Particular Spectral Line Formed

question 86

Multiple Choice

From laboratory measurements,we know that a particular spectral line formed by hydrogen appears at a wavelength of 121.6 nanometers (nm) .The spectrum of a particular star shows the same hydrogen line appearing at a wavelength of 121.8 nm.What can we conclude?

• A)The star is moving toward us.
• B)The star is moving away from us.
• C)The star is getting hotter.
• D)The star is getting colder.
• E)The "star" actually is a planet.

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Definitions:

Nominal Interest Rate

The interest rate before adjustments for inflation, as opposed to the real interest rate which is adjusted for inflation.

Equilibrium Interest Rate

The equilibrium interest rate is the rate at which the demand for funds equals the supply of funds in the financial markets, balancing savings and borrowing.

Total Output

The complete quantity of goods or services produced by an entity within a specific period.